DUO camera User manual

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lnstructions
fon using
        the duo comercl





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When the following directions are care-
    fully observed, the camera may be mani-
    pulated with the greatest ease. Never use
    force !  !
                  Opening.
             n Press the knob "A"                  "and lhe base springs
                     out. Draw the base
                   downwards until the
                 two struts are heard
                     to engagd in the cat-'^
                    ches, otherwise -the
    camera is not perfectly rigid. Failure to do
    this is the frequent cause of lack of de-
    finition in the negatives.
                     Glosing.
                       Press the struts                            uE'with                    "D" and
                         the thumbs, and the
                    E front with the lens
                        will be automati-
                               cally folded into the
                        camcra, as the base
                    uBu is closed.Mike Butkus                     Digitally                                                             DN:email=mike@butkus.org,Date:cn=Mike2022.07.20signedButkus,by17:49:14Mikeo=ButkusButkusc=US-04'00'camera manuals, ou=butkus.org,
                                          Fr   Locrding the ccrmerct.'
     Push the knob "F" in the
    direction of the arrow, and
    open the back of the camera   uH'.       Draw out the nickeled
   knob and put in the new spool
   of film at "J". Remove the
    strip of gummed paper from
                                                   3   the spool, and insert the    Figffi
    pointed end of the covering p aper in the
    slot of the ernpty spool in the holder "K".

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See that the black side of the paper is
turned towards the lens.
  Turn the film kev twice round. and close
the back of the camera. Now carefullv
turn the key further, until the hand  i-s
visible in the lower window, and Fig. "1"
will then appear after the dots The film
is now ready for the I st exposure. Take
care that the figure always appears exactly
in the centre of the window. Onlv the
lower window is to be used fof 6><9pictures. When taking 4><6 pictures,
proceed in the same way for the I st expo-
sure; for the 2nd, however, turn the film
until the No. ,"1" appears in the centre
of the upper window. Dont forget to insert
the 4xO mask before winding the film.
 Removing the exposed film.
  Turn the key until the end of the strip
of film is to be seen in the window.               uH",Open the back     and keep the end of
the filrn tight, so that it is closely wound
on the spool. Now fasten the film with
the strip of gummed paper.'Draw out the
film key, after which the spool may be
removed easelv.
  Putting in the empty spool in the holder
for a new film, draw out the film key.
The dinect vigion view finden.
  Hold the sight of the bact< and smaller
part, close to the eye. Looking through
the larger frame with the rectangular lens
will give the limits o! the picture. The
two rods mav be used to show the limits
of the smallei' picture.
  The opticol view finder..
 An image of the picture to be taken
is shown in the frame of the finder.

Fig.5 shows the lines for the horizontal and
 vertical pictures. When taking horizontal
 Verti-                 N       p   Hori- cal                                           zontal
 pictu res                                          pictu res
                         Fig. 5
pictures,. turn the view finder g0 degrees.
The optical view finder for camerai with
the mask is marked with red dotted lines
"N" (Fig. 5) for the smaller pict:rre. Thebe
red lines mark the limits of-the horizontal
and vertical pictures of smaller size in the
S 3tll9 lll2tlll€f   .                                      '
 GAMERA BCDDY RELEASE.
 When opening the camera the small
nickelled knob on the side of the direct
vision view finder automatically springs
out of the body. The release of shutter
is then effected by pressing this knob.
  tlold the camera wirh both hands; with
some practise instantaneous shots of
longer exposure will be possible.
 When closing the camera press the
knob in and it is locked automaticallv





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